Fortran Run External File.exe Through Fortran 90 - Answered

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To run an external executable file in Fortran 90, the `call system("commandline")` function can be utilized. This allows the Fortran program to execute a command line instruction, effectively running the external file. While this method is generally supported, its availability may vary depending on the specific compiler used. For capturing output from the external program, it is recommended to redirect the output to a file and then read that file within the Fortran code. The discussion confirms that using the `call system` command successfully resolved the issue for the user.
andredoc
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Hi! I'm a MSc student and for the development of my dissertation I need to implement a simple fortran 90 program. I'm aware of the basic features of this language but I can't seem to find how to run an executable file (an external file) through fortran. My question is, how can I make the fortran code to run an external "file.exe"?

It's a basic question, but I haven't found an answer so far.

Thanks

Best regards

André
 
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Something like:
call system("commandline")

ps. Haven't used this myself recently - don't know if it is standard in all compilers.
I also haven;t used it to read data back from the system call - you might be better writing the output of the call to a file and readign the file from fortran.
 
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Mgb_phys, with the call system comand my program is working, thanks!
 

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